2022 Volume 31 Issue 6 Pages 353-357
The patient was a 28-year-old male. After he developed a bruise on his left back of thigh that hit a corner of his desk at home, for which he consulted a local clinic and was diagnosed as having a contusion. Thereafter, his symptoms spontaneously improved and disappeared. One month after injury, he consulted our hospital because he suddenly developed severe pain and swelling in his left thigh while walking, which resulted in walking difficulty. Contrast-enhanced computed tomography (CT) led to a diagnosis of ruptured pseudoaneurysm of the left deep femoral artery; hence, embolization was performed by endovascular treatment using a metal coil and gelatin sponge. He had an uneventful course after the surgery, and at 2 weeks after surgery, the swelling completely disappeared. Contrast-enhanced CT performed 6 months after the surgery revealed good progress, with no detectable pseudoaneurysm and complete resolution of the hematoma. Although pseudoaneurysm formation following blunt trauma without a fracture is rare, we recommend a close examination of the possibility of pseudoaneurysm formation by contrast-enhanced CT when swelling and pain persist after injury. Although it is necessary to select and use embolus materials according to the patient's condition, transcatheter embolization by endovascular treatment is minimally invasive and effective as a treatment.
